Allows you to define which part of a song you want looped. All items underneath the selected area of this bar (indicated in orange) will be looped when the loop button is activated. The loop selector bar is at the top of the grid.

You must click on the loop button in order to loop part of a song. Right-clicking on the selected area in the loop selector bar stretches the selected loop to fill the screen.

When clicking on the zoom button, you can go to the grid and select with a left-mouse click& drag an area you want to zoom in.